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sleepless

adjectiveattested in dialogue

  • //ˈsliːpləs//

Characterized by an absence of sleep: wakeful.

adjective

  1. 1

    Characterized by an absence of sleep: wakeful.

    I spent a sleepless night worrying about the exams.

Etymology

From Middle English slepeles, from Old English slǣplēas; equivalent to sleep + -less.

Forms

comparative
more sleepless
superlative
most sleepless
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).